Question

what is a simpler form of the expression mutiply (2n+2)(2n-2)

Answer 1

This is the difference of two squares which is x^2-y^2 =(x+y)(x-y). So...4n^2-4

Answer 2

4n^2-4

Answer 3

because (a+b)(a-b)=a^2-b^2
in this equation, your a=2n and b=2
(2n)^2=2*2*n*n=4n^2
(2)^2=2*2=4

Answer 4

And I wouldn't call it a simplier form but rather just state "another" form but if that's what the question asked... then :).